Hyundai and Kia are recalling nearly 3.4 million vehicles in the U.S. and urging owners to park them outside due to fire risk.

Hyundai recalled 1,642,551 of its vehicles in the U.S. and 326,942 in Canada, company spokesperson Ira Gabriel told Forbes, due to concerns its anti-lock brake system could leak brake fluid—often indicated by smoking or a burning or melting odor from the car—and result in a fire.

Nearly 3.4 million Hyundai and Kia vehiclesin the U.S. are under recall due to the risk of engine compartment fires.

Hyundai and Kia have recalled nearly 3.4 million vehicles over the risk of an engine compartment fire, warning owners to park their vehicles outside. The U.S. National Highway Traffic Safety

Hyundai and Kia are recalling more than 600,000 vehicles in Canada and millions more in the U.S. due to a problem with the anti-lock braking system that can start a fire.

Hyundai and Kia are recalling more than 3 million vehicles due to a fire risk and telling owners to park outside.

Owners of about 3.3 million Hyundai and Kia cars and SUVs in the United States should avoid parking in or near structures because the vehicles could suddenly catch fire – whether they’re being driven or not,

Hyundai and Kia are recalling nearly 3.4 million vehicles in the U.S. and telling owners to park them outside due to the risk of engine compartment fires.

Millions of car owners have been told to leave their vehicles parked outside due to the risk of fire, adding to a long line of problems.